package com.hua.diy;
/*
使用注解方式实现aop

 */

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

@Aspect //标注这个类是一个切面
public class AnnotationPointCut {
    @Before("execution(* com.hua.service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("方法执行前");
    }
    @After("execution(* com.hua.service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("方法执行后");
    }
    //在环绕增强中我们给入一个参数，代表我们要获取处理的切入点
    @Around("execution(* com.hua.service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("环绕前");

        Signature signature = joinPoint.getSignature();
        System.out.println("signature"+signature);
        //执行方法
        Object proceed = joinPoint.proceed();
        System.out.println("环绕后");
        System.out.println("proceed"+proceed);
    }
}
